#182F3E#182F3E

#182F3E is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.4% C 0.040 H 238.7°. Best body text is #FFFFFF at 13.86:1 contrast (WCAG AA passes).

Color values

HEX	#182F3E
RGB	rgb(24, 47, 62)
HSL	hsl(204, 44%, 17%)
HSV	hsv(204, 61%, 24%)
CMYK	cmyk(61.3%, 24.2%, 0%, 75.7%)
CIE-LAB	lab(18.25, -3.82, -12.25)
CIE-LCH	lch(18.25, 12.83, 252.70°)
OKLab	oklab(29.36% -0.0207 -0.0342)
OKLCH	oklch(29.36% 0.04 238.7)
XYZ	xyz(2.2624, 2.5748, 4.9343)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F3E #3E2718

analogous

#183E3A #182F3E #181C3E

triadic

#182F3E #3E182F #2F3E18

tetradic

#182F3E #3A183E #3E2718 #1C3E18

square

#182F3E #3A183E #3E2718 #1C3E18

split-complementary

#182F3E #3E181C #3E3A18

monochromatic

#091116 #091116 #182F3E #29506A #3A7296

Accessibility & contrast

On white

13.86

#182F3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#182F3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F3E

13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F3E	#FFFFFF	#000000	##FFFFFF
##182F3E	1.00	13.86	1.52	13.86
#FFFFFF	13.86	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282F3F

Deuteranopia (green-blind)

#232B3E

Tritanopia (blue-blind)

#023334

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182f3e;
/* rgb */ color: rgb(24, 47, 62);
/* oklch */ color: oklch(29.4% 0.040 238.7);

Tailwind

colors: {
  custom: {
    50: '#586773',
    500: '#182f3e',
    950: '#000000',
  },
}

SCSS

$custom: #182f3e;
$custom-light: #586773;
$custom-dark: #000000;

JSON

{
  "hex": "#182f3e",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 62
  },
  "hsl": {
    "h": 203.684,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.29361,
    "c": 0.03996,
    "h": 238.7
  },
  "luminance": 0.02575
}

Semantic roles & 50–950 ramp

primary

#182F3E

secondary

#74533D

accent

#8654D4

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #182F3E

Body copy rendered with the generated semantic roles for this colour.

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